CN109268362A - A kind of circular tube connection structure - Google Patents

A kind of circular tube connection structure Download PDF

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Publication number
CN109268362A
CN109268362A CN201811395687.8A CN201811395687A CN109268362A CN 109268362 A CN109268362 A CN 109268362A CN 201811395687 A CN201811395687 A CN 201811395687A CN 109268362 A CN109268362 A CN 109268362A
Authority
CN
China
Prior art keywords
hole
connecting plate
tube
stud
connecting tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201811395687.8A
Other languages
Chinese (zh)
Inventor
杜连生
屈金山
程锐
杨庆宣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tai Fu Heavy Industry (shayang) Manufacturing Co Ltd
Original Assignee
Tai Fu Heavy Industry (shayang) Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tai Fu Heavy Industry (shayang) Manufacturing Co Ltd filed Critical Tai Fu Heavy Industry (shayang) Manufacturing Co Ltd
Priority to CN201811395687.8A priority Critical patent/CN109268362A/en
Publication of CN109268362A publication Critical patent/CN109268362A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Sleeves (AREA)

Abstract

The present invention discloses a kind of circular tube connection structure, it is characterized in that, it include: the first connecting tube, the second connecting tube, the first connecting plate, fastening assembly, sealing element, there are two the clamping grooves for running through the first connecting tube inner and outer circumferential surfaces for the interlude setting of first connecting tube, and two clamping grooves are positioned opposite;The interlude of first connecting tube is built in the middle part of first connecting plate, the both ends of first connecting plate are pierced by two clamping grooves respectively;Second connecting tube is two, two second connecting tubes are removably fixed in the both ends of first connecting plate respectively, first connecting plate is first inserted in the clamping groove being arranged in first connecting tube, it is solid with first connecting tube welding again, so that first connecting plate and the connection structure of first connecting tube are solid and reliable, second connecting tube is detachably connected by the fastening assembly and first connecting plate, consequently facilitating the second connecting tube described in dismounting and change.

Description

A kind of circular tube connection structure
Technical field
The present invention relates to circular tube connection structures, and in particular to a kind of circular tube connection structure.
Background technique
In the prior art, one of round tube is usually cut into both ends by the welding of two round tubes, and in the portion of disconnection Position is cut into intersection, so that the two small end round tubes that will be cut into is facilitated to be welded on the two sides of another round tube, but this steel Pipe connecting structure, welding can not just dismantle again after completing.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of circular tube connection structure is provided, is solved in the prior art Steel pipe connection structure, the technical issues of can not just dismantling again after welding is completed.
To reach above-mentioned technical purpose, technical solution of the present invention provides a kind of circular tube connection structure, which is characterized in that packet Include: the interlude of the first connecting tube, the second connecting tube, the first connecting plate, fastening assembly, sealing element, first connecting tube is set Run through the clamping groove of the first connecting tube inner and outer circumferential surfaces there are two setting, and two clamping grooves are positioned opposite;Described first The interlude of first connecting tube is built in the middle part of connecting plate, the both ends of first connecting plate are pierced by respectively described in two Clamping groove, and it is solid close to the welding of one end of the first connecting tube outer peripheral surface in first connecting plate and two clamping grooves It is fixed;The both ends of first connecting plate are provided with a first through hole and one second through-hole, the first through hole and described second Through-hole is extended vertically through in first connecting plate;Second connecting tube is two, and two second connecting tubes respectively can The both ends of first connecting plate are fixed in disassembly, and each second connecting tube includes that the second connection tube body and second connect Fishplate bar, second connecting plate are fixed on one end of the second connection tube body, and one the is provided on second connecting plate Three through-holes and multiple fourth holes, the third through-hole and the fourth hole are extended vertically through in second connecting plate, more A fourth hole circumference array is surrounded on the third through-hole;The aperture of the third through-hole is equal to the first through hole Aperture, the aperture of the fourth hole are equal to the aperture of second through-hole, the third through-hole and any fourth hole The distance of central point line is equal to second through-hole at a distance from the first through hole central point line;The fastening assembly packet Fastening nut and clamping portion are included, the clamping portion includes link block, stud and positioning column, and the stud and the positioning column hang down It is directly fixed on the same end face of the link block, the free end of the stud sequentially passes through the first through hole, the third through-hole It is threadedly coupled afterwards with the fastening nut;The free end of the positioning column is built in any described the after passing through second through-hole Four through-holes;The free end of each stud is provided with a sealing element, and the sealing element includes bottom plate, bellows and close Seal, the bellows-sheathed be set to the fastening nut and the stud connecting portion, one end of the bellows with it is described Bottom plate is tightly connected, and the periphery of the bellows other end is fixedly connected with the sealing ring, the relatively described ripple of the bottom plate One end of tube cavity is provided with a connecting cylinder, and the inner peripheral surface of the connecting cylinder is provided with internal screw thread, and the connecting cylinder passes through described Internal screw thread is threadedly coupled with the free end of the stud;The sealing ring is elastomeric material, and the sealing ring is away from described One end elasticity of bellows is connected to the one side that second connecting plate deviates from first connecting plate.
Compared with prior art, the beneficial effect comprise that first connecting plate in the circular tube connection structure It is first inserted in the clamping groove being arranged in first connecting tube, then solid with first connecting tube welding, so that First connecting plate and the connection structure of first connecting tube are solid and reliable, and second connecting tube passes through the fastening group Part is detachably connected with first connecting plate, consequently facilitating the second connecting tube described in dismounting and change;Multiple fourth holes Circumference array is surrounded on the third through-hole arrangement, and so as to form multiple angle anchor points, the fastening assembly includes fastening Nut and clamping portion, the clamping portion includes link block, stud and positioning column, wherein the free end of the positioning column is across described After second through-hole, intersecting angle as needed, the free end of the positioning column is built-in in any fourth hole, thus Realize the angle described in Fast Constrained between the first connecting tube and second connecting tube;The sealing element is sheathed on the fastening The connecting portion of nut and the stud slows down the connecting portion of the fastening nut and the stud by external environment The corrosion rate of dust and rainwater, the adjustable in length of the bellows, consequently facilitating adapting to the stud of different length.
Detailed description of the invention
Fig. 1 is the first view stereo structural schematic diagram of the invention.
Fig. 2 is the configuration schematic diagram of Fig. 1.
Fig. 3 is the second view stereo structural schematic diagram of the invention.
Fig. 4 is that the structural schematic diagram after sealing element is removed in Fig. 3.
Fig. 5 is the schematic perspective view of fastening assembly in the present invention.
Fig. 6 is the schematic perspective view of sealing element in the present invention.
Fig. 7 is the vertical view face structural schematic diagram of Fig. 6.
Fig. 8 is the face B-B schematic cross-sectional view in Fig. 7.
Fig. 9 is vertical view face structural schematic diagram of the invention.
Figure 10 is the face A-A schematic cross-sectional view in Fig. 9.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1~10 are please referred to, the present embodiment provides a kind of circular tube connection structures characterized by comprising the first connecting tube 1, the second connecting tube 2, fastening assembly 3, the first connecting plate 4, sealing element 5.
There are two the clamping grooves for running through 1 inner and outer circumferential surfaces of the first connecting tube for the interlude setting of first connecting tube 1 1a, and two clamping groove 1a are positioned opposite;The middle part of first connecting plate 4 is built in first connecting tube 1 Between section, the both ends of first connecting plate 4 are pierced by two clamping groove 1a, and first connecting plate 4 and two institutes respectively One end on clamping groove 1a close to 1 outer peripheral surface of the first connecting tube is stated to be welded and fixed;The both ends of first connecting plate 4 are all provided with It is equipped with a first through hole 4a and one second through-hole 4b, the first through hole 4a and the second through-hole 4b is extended vertically through in described First connecting plate 4.
Second connecting tube 2 is two, and two second connecting tubes 2 are removably fixed in first connection respectively The both ends of plate 4, each second connecting tube 2 include the second connection tube body 21 and the second connecting plate 22, and described second connects Fishplate bar 22 is fixed on one end of the second connection tube body 21, in the present embodiment, the second connection tube body 21 with it is described Second connecting plate 22 is integrally formed.A third through-hole 22a and multiple fourth hole 22b is provided on second connecting plate 22, The third through-hole 22a and fourth hole 22b is extended vertically through in second connecting plate 22, multiple fourth holes 22b circumference array is surrounded on the third through-hole 22a;The aperture of the third through-hole 22a is equal to the hole of the first through hole 4a Diameter, the aperture of the fourth hole 22b are equal to the aperture of the second through-hole 4b, the third through-hole 22a and any described the The distance of four through-hole 22b central point lines is equal to the second through-hole 4b at a distance from the first through hole 4a central point line.
The fastening assembly 3 includes fastening nut 31, clamping portion 32, elastic sheet metal 33, and the clamping portion 32 includes connecting Block 321, stud 322 and positioning column 323 are connect, the stud 322 and the positioning column 323 are perpendicularly fixed at the link block 321 same end faces, the free end of the stud 322 sequentially pass through after the first through hole 4a, the third through-hole 22a with it is described Fastening nut 31 is threadedly coupled;The free end of the positioning column 323 is built in any described the after passing through the second through-hole 4b Four through-hole 22b;Specifically, the stud 322 is optical axis, the stud close to one end of the link block 321 in the present embodiment 322 one end far from the link block 321 are provided with the external screw thread matched with the fastening nut 31, and the stud 322 leans on One end of the nearly link block 321 and the first through hole 4a and third through-hole 22a are clearance fit;The positioning column 323 be optical axis, and positioning column 323 and the second through-hole 4b and fourth hole 22b is clearance fit.
Preferably, it is provided with a removal hole 321a on the link block 321, the removal hole 321a is a through-hole, and institute It states removal hole 321a to arrange perpendicular to the stud 322 or the positioning column 323, consequently facilitating worker is using drag hook described in Removal hole 321a dismantles the clamping portion 32.
Preferably, relatively described first connecting plate 11 is provided with a strip groove on one side on the link block 321;It is described The both ends of elastic sheet metal 33 are built in the strip groove, and are fixedly connected with the slot bottom of the strip groove, the bullet Property sheet metal 33 middle part protrusion and the strip groove, and elasticity is connected to the surface of first connecting plate 11, the bullet Property sheet metal 33 and the fastening nut 31 cooperate, can avoid the loosening of the fastening nut 31.
The free end of each stud 322 is provided with a sealing element 5, and the sealing element 5 includes bottom plate 51, wave Line pipe 52 and sealing ring 53, the bellows 53 is sheathed on the connecting portion of the fastening nut 31 and the stud 322, described One end of bellows 52 and the bottom plate 51 are tightly connected, and the periphery and the sealing ring 53 of 52 other end of bellows are fixed Connection, one end of relatively described 52 inner cavity of bellows of the bottom plate 51 are provided with a connecting cylinder 51a, and the connecting cylinder 51a's is interior Circumferential surface is provided with internal screw thread, and the connecting cylinder 51a is threadedly coupled by the internal screw thread with the free end of the stud 322;Institute Stating sealing ring 53 is elastomeric material, and the sealing ring 53 is connected to described second away from one end elasticity of the bellows 53 Connecting plate 22 deviates from the one side of first connecting plate 4.
Install principle: first connecting plate 4 in the circular tube connection structure is first inserted in first connecting tube 1 and sets In the clamping groove 1a set, then solid with first connecting tube 1 welding, so that first connecting plate 4 and described the The connection structure of one connecting tube 1 is solid and reliable, and second connecting tube 2 passes through the fastening assembly 3 and first connecting plate 3 It is detachably connected, consequently facilitating the second connecting tube 2 described in dismounting and change;Multiple fourth hole 22b circumference array are surrounded on The third through-hole 22a arrangement, so as to form multiple angle anchor points, the fastening assembly 3 includes fastening nut 31 and card Socket part 32, the clamping portion 32 includes link block 321, stud 322 and positioning column 323, wherein the free end of the positioning column 323 After the second through-hole 4b, intersecting angle as needed, the free end of the positioning column 323 is built-in in any described Fourth hole 22b, to realize the angle between the first connecting tube 1 and second connecting tube 2 described in Fast Constrained;It is described close Sealing 5 is sheathed on the connecting portion of the fastening nut 31 and the stud 322, slows down the fastening nut 31 and the stud Corrosion rate of 322 connecting portion by dust and rainwater in external environment, the adjustable in length of the bellows 52, from And conveniently adapt to the stud 322 of different length.
The above described specific embodiments of the present invention are not intended to limit the scope of the present invention..Any basis Any other various changes and modifications that technical concept of the invention is made should be included in the guarantor of the claims in the present invention It protects in range.

Claims (6)

1. a kind of circular tube connection structure characterized by comprising the first connecting tube, the second connecting tube, the first connecting plate, fastening Component, sealing element, there are two the clampings for running through the first connecting tube inner and outer circumferential surfaces for the interlude setting of first connecting tube Slot, and two clamping grooves are positioned opposite;The interlude of first connecting tube is built in the middle part of first connecting plate, The both ends of first connecting plate are pierced by two clamping grooves respectively, and on first connecting plate and two clamping grooves One end close to the first connecting tube outer peripheral surface is welded and fixed;The both ends of first connecting plate are provided with a first through hole And one second through-hole, the first through hole and second through-hole are extended vertically through in first connecting plate;Described second connects Adapter tube is two, and two second connecting tubes are removably fixed in the both ends of first connecting plate respectively, each described the Two connecting tubes include the second connection tube body and the second connecting plate, and second connecting plate is fixed on the second connecting tube sheet One end of body is provided with a third through-hole and multiple fourth holes, the third through-hole and described on second connecting plate Four through-holes are extended vertically through in second connecting plate, and multiple fourth hole circumference array are surrounded on the third through-hole; The aperture of the third through-hole is equal to the aperture of the first through hole, and the aperture of the fourth hole is equal to second through-hole Aperture, the third through-hole are equal to second through-hole and described first at a distance from any fourth hole central point line The distance of through hole center point line;The fastening assembly includes fastening nut and clamping portion, and the clamping portion includes link block, spiral shell Column and positioning column, the stud and the positioning column are perpendicularly fixed at the same end face of the link block, the freedom of the stud End is threadedly coupled after sequentially passing through the first through hole, the third through-hole with the fastening nut;The freedom of the positioning column End is built in any fourth hole after second through-hole;The free end of each stud is provided with described in one Sealing element, the sealing element include bottom plate, bellows and sealing ring, and the bellows-sheathed is set to the fastening nut and the spiral shell The connecting portion of column, one end of the bellows and the bottom plate are tightly connected, the periphery of the bellows other end with it is described Sealing ring is fixedly connected, and one end of the relatively described ripple tube cavity of the bottom plate is provided with a connecting cylinder, the connecting cylinder it is interior Circumferential surface is provided with internal screw thread, and the connecting cylinder is threadedly coupled by the internal screw thread with the free end of the stud;The sealing Circle is elastomeric material, and the sealing ring is connected to second connecting plate away from institute away from one end elasticity of the bellows State the one side of the first connecting plate.
2. circular tube connection structure according to claim 1, which is characterized in that a removal hole is provided on the link block, The removal hole is a through-hole, and the removal hole is arranged perpendicular to the stud or the positioning column.
3. circular tube connection structure according to claim 1, which is characterized in that the stud is close to one end of the link block For optical axis, the stud is provided with the external screw thread matched with the fastening nut, the spiral shell far from one end of the link block Column is clearance fit close to one end of the link block and the first through hole and the third through-hole;The positioning column is light Axis, the positioning column and second through-hole and the fourth hole are clearance fit.
4. circular tube connection structure according to claim 1, which is characterized in that relatively described first connection on the link block Plate is provided with a strip groove on one side;The fastening assembly further includes an elastic sheet metal, and the two of the elastic sheet metal End is built in the strip groove, and is fixedly connected with the slot bottom of the strip groove, and the middle part of the elastic sheet metal is convex Out with the strip groove, and elasticity is connected to the surface of first connecting plate.
5. circular tube connection structure according to claim 1, which is characterized in that the second connection tube body and described second Connecting plate is integrally formed.
6. circular tube connection structure according to claim 1, which is characterized in that the third through-hole and each four-way Hole is respectively positioned on the interior zone of the sealing ring.
CN201811395687.8A 2018-11-22 2018-11-22 A kind of circular tube connection structure Withdrawn CN109268362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811395687.8A CN109268362A (en) 2018-11-22 2018-11-22 A kind of circular tube connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811395687.8A CN109268362A (en) 2018-11-22 2018-11-22 A kind of circular tube connection structure

Publications (1)

Publication Number Publication Date
CN109268362A true CN109268362A (en) 2019-01-25

Family

ID=65189901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811395687.8A Withdrawn CN109268362A (en) 2018-11-22 2018-11-22 A kind of circular tube connection structure

Country Status (1)

Country Link
CN (1) CN109268362A (en)

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Application publication date: 20190125

WW01 Invention patent application withdrawn after publication